The Lateral C1–C2 Puncture: Indications, Technique, and Potential Complications

OBJECTIVE. Lateral C1–C2 puncture can be used for CSF collection, contrast agent injection for myelography, and access for cordotomy. The objective of this article is to describe the indications, technique, and potential complications of this procedure. CONCLUSION. Radiologists performing lumbar puncture or myelography should be comfortable gaining access to the subarachnoid space via the lateral C1–C2 approach when indicated. Familiarity with the technique and its potential complications is essential for a safe and efficient procedure.